Explore a comprehensive analysis of two-factor authentication (2FA) methods in this 22-minute conference talk from USENIX SOUPS 2019. Delve into a two-week usability study comparing five common 2FA techniques, examining both quantitative and qualitative data from 72 participants who simulated daily banking website logins. Discover user perceptions, preferences, and challenges associated with various 2FA methods. Learn about an additional laboratory study assessing the setup procedures for these authentication techniques. Gain insights into the learnability, user satisfaction, and potential limitations of different 2FA approaches. Understand the implications for improving account security and user experience in sensitive online environments.

Syllabus

Intro
TwoFactor Authentication
TwoFactor Authentication Methods
Previous Studies
Findings
Individual Learnability
Soft Scores
Qualitative Results
Usability Results
Limitations
Set Up Study
Set Up Failures
Recommendations
Limitation
Conclusion
Questions